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i386: convert hardware exception 5 to an interrupt gate 

Handle bounds exception with interrupt initially off.

Signed-off-by: Alexander van Heukelum <heukelum@fastmail.fm>
Signed-off-by: Ingo Molnar <mingo@elte.hu>
This commit is contained in:
Alexander van Heukelum 2008-09-09 21:56:00 +02:00 committed by Ingo Molnar
parent 8d6f9d69bd
commit 64f644c0b4
1 changed files with 2 additions and 2 deletions
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4
arch/x86/kernel/traps_32.c
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@ -634,7 +634,7 @@ void do_##name(struct pt_regs *regs, long error_code) \
DO_VM86_ERROR_INFO(0, SIGFPE, "divide error", divide_error, FPE_INTDIV, regs->ip)
DO_VM86_ERROR(4, SIGSEGV, "overflow", overflow)
DO_VM86_TRAP(5, SIGSEGV, "bounds", bounds)
DO_VM86_ERROR(5, SIGSEGV, "bounds", bounds)
DO_TRAP_INFO(6, SIGILL, "invalid opcode", invalid_op, ILL_ILLOPN, regs->ip, 0)
DO_TRAP(9, SIGFPE, "coprocessor segment overrun", coprocessor_segment_overrun)
DO_TRAP(10, SIGSEGV, "invalid TSS", invalid_TSS)
@ -1253,7 +1253,7 @@ void __init trap_init(void)
set_intr_gate(2, &nmi);
set_system_intr_gate(3, &int3); /* int3 can be called from all */
set_system_intr_gate(4, &overflow); /* int4 can be called from all */
set_trap_gate(5, &bounds);
set_intr_gate(5, &bounds);
set_trap_gate(6, &invalid_op);
set_trap_gate(7, &device_not_available);
set_task_gate(8, GDT_ENTRY_DOUBLEFAULT_TSS);